250 Ilymenomycetrc, 1'olyporacefE, Boletus. 



squamuloso, albido v. griseo; 2,5-7,5 cm. lato , carne albida; tu- 

 bulis aduatis v. lenitor decurrcntibus, griseis, dein aetate obscurio- 

 ribus, ore latiusculo, anguloso; stipite sequali v. supra leniter an- 

 gustato, solido, albido v. pallido, 2,5-5 cm. longo, 7-11 mm. cr. ; 

 sporis ferrugineo-brunneis, oblongis v. ellipdoidcis, 7-1 U >^ 3,5-5. 



Hab. ad terram in Amer. bor. — Bol. spectahili et Bol. Elbm 

 affinis. 



56. Boletus Vanderbiltianus Murrill in Torreya VIII (1908) p. 215 997 

 et in Mycol. I, p. 14G. [Ceriomyces]. — Pileo parvo, subconico, con- 

 spicue atro-purpureo-squamuloso 1-2 crn. lat. ; tubulis margino sal- 

 moneis dein incarnatis; poris angulosis, 1 mm. latis, prope stipitem 



2 mm. longis, acie intcgra tenui; stipite curvo, cylindraceo, dcli- 

 cate pruinoso, dein glabro, saturate salmoneo, ad carneum mutante, 

 tactu obscuriore, sursura leviter glauco-pruinoso, minute purpu- 

 reo-punctato, 2-3 cm. longo, 0,5-0,8 cm, cr. ; sporis ochraceo-brun- 

 neis, oblongo-ellipsoideis, 9-12 « 2-3. 



Jlah. ad terram, Pink Bed Valley in Carolina sujd. Amer. bor. 

 — Bol. conico affinis sed differt sporis minoribus etc. 



57. Boletus nanus Massee, Bull. Miscell. Bot. Gard. Kew (1909) 993 

 pag. 208. — Pileo pulvinato, carnoso, interdum undulato, sicco, 

 primitus levi dein centro rimoso-areolato, olivaceo-fusco, 1-1,5 

 cm. lato; tubulis subliberis, curtis, flavescentibus ; poris angulosis, 

 pro ratione magnis, flavo-virentibus; stipite solido, jdIus minusve 

 flexuoso, aBquali, luteo, apicc roseo et furfuraceo, 4 cm. longo, 

 3-4 mm. crasso; sporis fusoideis, flavido-albis, 6 «3,5; carne com- 

 pacta, albida, versus marginem tenuissima. 



Ilah. gregarius ad terram, Singapore Asi;t' (Ridley). 



58. Boletus lactescens Jacobasch, Abh. Botan. Ver. Prov. Branden- <)!)9 

 burg, XXIV (1882) p. 156. — Pileo 2-12 cm. lato, initio hemi- 

 spha-rico, s;epe obtuse umbonato, deinde pulvinato, brunneo-mel- 

 loo; stipite oblongo-ovoideo, dein a^qualiter crasso, suli^hureo-vi- 

 tellino, demum rubiginoso-punctato; anulo rubiginoso, deciduo ; 

 carne lactescente, pilei suporne albida, infra stipitisque sulphureo- 

 vitollina; tubulis sinuato-adnatis, confluentibus, sulphureo-vitelli- 

 nis; sporis ollipsoideis subroniformibus, flavido-rubiginosis. 



Ilah. in silvula prope Potsdam Gormaniic. — Nonullis notis 

 cum Boleto luteo et Bol. granulato convenit, sed imprimis lacte 

 diffort. 



59. Boletus tropicus Rick, Brotoria VI (1907) p. 81, tab. VI, fig. 2 looo 

 (sine diagnosi). 



